| 1 |
<?php |
| 2 |
|
| 3 |
if (!defined('ABSPATH')) { |
| 4 |
exit; |
| 5 |
} |
| 6 |
|
| 7 |
trait ABJ_404_Solution_DataAccess_ViewMetadataTrait { |
| 8 |
|
| 9 |
/** @return array<string, mixed> */ |
| 10 |
function getTableEngines() { |
| 11 |
$query = ABJ_404_Solution_Functions::readFileContents(__DIR__ . "/sql/selectTableEngines.sql"); |
| 12 |
$results = $this->queryAndGetResults($query); |
| 13 |
return $results; |
| 14 |
} |
| 15 |
|
| 16 |
/** @return bool */ |
| 17 |
function isMyISAMSupported(): bool { |
| 18 |
$abj404dao = abj_service('data_access'); |
| 19 |
$supportResults = $abj404dao->queryAndGetResults("SELECT ENGINE, SUPPORT " . |
| 20 |
"FROM information_schema.ENGINES WHERE lower(ENGINE) = 'myisam'", |
| 21 |
array('log_errors' => false)); |
| 22 |
|
| 23 |
if (!empty($supportResults) && !empty($supportResults['rows']) && is_array($supportResults['rows'])) { |
| 24 |
$rows = $supportResults['rows']; |
| 25 |
$row = is_array($rows[0] ?? null) ? $rows[0] : array(); |
| 26 |
$supportValue = array_key_exists('support', $row) ? (string)($row['support'] ?? '') : |
| 27 |
(array_key_exists('SUPPORT', $row) ? (string)($row['SUPPORT'] ?? '') : "nope"); |
| 28 |
|
| 29 |
return strtolower($supportValue) == 'yes'; |
| 30 |
} |
| 31 |
return false; |
| 32 |
} |
| 33 |
|
| 34 |
/** Insert data into the database. |
| 35 |
* Create my own insert statement because wordpress messes it up when the field |
| 36 |
* length is too long. this also returns the correct value for the last_query. |
| 37 |
* @global type $wpdb |
| 38 |
* @param string $tableName |
| 39 |
* @param array<string, mixed> $dataToInsert |
| 40 |
* @return array<string, mixed> |
| 41 |
*/ |
| 42 |
function insertAndGetResults($tableName, $dataToInsert) { |
| 43 |
$tableName = $this->doTableNameReplacements($tableName); |
| 44 |
|
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$columns = array(); |
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$placeholders = array(); |
| 47 |
$values = array(); |
| 48 |
|
| 49 |
foreach ($dataToInsert as $column => $value) { |
| 50 |
$columns[] = '`' . $column . '`'; |
| 51 |
|
| 52 |
if ($value === null) { |
| 53 |
$placeholders[] = 'NULL'; |
| 54 |
} else { |
| 55 |
$currentDataType = gettype($value); |
| 56 |
if ($currentDataType == 'integer' || $currentDataType == 'double') { |
| 57 |
$placeholders[] = '%d'; |
| 58 |
$values[] = $value; |
| 59 |
} elseif ($currentDataType == 'boolean') { |
| 60 |
$placeholders[] = '%d'; |
| 61 |
$values[] = $value ? 1 : 0; |
| 62 |
} else { |
| 63 |
$placeholders[] = '%s'; |
| 64 |
$values[] = is_scalar($value) ? (string)$value : ''; |
| 65 |
} |
| 66 |
} |
| 67 |
} |
| 68 |
|
| 69 |
$sql = 'INSERT INTO `' . $tableName . '` (' . implode(', ', $columns) . ') VALUES (' . implode(', ', $placeholders) . ')'; |
| 70 |
|
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return $this->queryAndGetResults($sql, ['query_params' => $values]); |
| 72 |
} |
| 73 |
|
| 74 |
/** |
| 75 |
* @return int the total number of redirects that have been captured. |
| 76 |
*/ |
| 77 |
function getCapturedCount() { |
| 78 |
$query = "select count(id) from {wp_abj404_redirects} where status = " . absint(ABJ404_STATUS_CAPTURED); |
| 79 |
|
| 80 |
$result = $this->queryAndGetResults($query); |
| 81 |
if (!empty($result['timed_out']) || (isset($result['last_error']) && $result['last_error'] != '')) { |
| 82 |
return 0; |
| 83 |
} |
| 84 |
|
| 85 |
$rows = is_array($result['rows'] ?? null) ? $result['rows'] : array(); |
| 86 |
if (empty($rows)) { |
| 87 |
return 0; |
| 88 |
} |
| 89 |
$first = $rows[0]; |
| 90 |
$value = is_array($first) ? reset($first) : $first; |
| 91 |
return intval($value); |
| 92 |
} |
| 93 |
|
| 94 |
/** Get all of the post types from the wp_posts table. |
| 95 |
* @return array<int, string> An array of post type names. */ |
| 96 |
function getAllPostTypes() { |
| 97 |
$query = "SELECT DISTINCT post_type FROM {wp_posts} order by post_type"; |
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$results = $this->queryAndGetResults($query); |
| 99 |
$rows = $results['rows']; |
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|
| 101 |
$postType = array(); |
| 102 |
|
| 103 |
if (is_array($rows)) { |
| 104 |
foreach ($rows as $row) { |
| 105 |
array_push($postType, $row['post_type']); |
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} |
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} |
| 108 |
|
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return $postType; |
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} |
| 111 |
|
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/** Get the approximate number of bytes used by the logs table. |
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* |
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* @return int Bytes used by the logs table, 0 on missing/empty stats, |
| 115 |
* or -1 if the lookup itself failed/timed out. |
| 116 |
*/ |
| 117 |
function getLogDiskUsage() { |
| 118 |
$query = 'SELECT (data_length+index_length) tablesize FROM information_schema.tables ' |
| 119 |
. 'WHERE table_name=\'{wp_abj404_logsv2}\''; |
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|
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$result = $this->queryAndGetResults($query); |
| 122 |
|
| 123 |
if (!empty($result['timed_out']) || (isset($result['last_error']) && $result['last_error'] != '')) { |
| 124 |
$err = isset($result['last_error']) && is_string($result['last_error']) ? $result['last_error'] : ''; |
| 125 |
if ($err !== '') { |
| 126 |
$this->logger->errorMessage("Error: " . esc_html($err)); |
| 127 |
} |
| 128 |
return -1; |
| 129 |
} |
| 130 |
|
| 131 |
$rows = is_array($result['rows'] ?? null) ? $result['rows'] : array(); |
| 132 |
if (empty($rows)) { |
| 133 |
return 0; |
| 134 |
} |
| 135 |
|
| 136 |
$row = is_array($rows[0] ?? null) ? $rows[0] : array(); |
| 137 |
$size = $row['tablesize'] ?? null; |
| 138 |
if ($size === null || !is_scalar($size)) { |
| 139 |
return 0; |
| 140 |
} |
| 141 |
return intval($size); |
| 142 |
} |
| 143 |
|
| 144 |
/** |
| 145 |
* @global type $wpdb |
| 146 |
* @param array<int, int> $types specified types such as ABJ404_STATUS_MANUAL, ABJ404_STATUS_AUTO, ABJ404_STATUS_CAPTURED, ABJ404_STATUS_IGNORED. |
| 147 |
* @param int $trashed 1 to only include disabled redirects. 0 to only include enabled redirects. |
| 148 |
* @return int the number of records matching the specified types. |
| 149 |
*/ |
| 150 |
function getRecordCount($types = array(), $trashed = 0) { |
| 151 |
$recordCount = 0; |
| 152 |
|
| 153 |
if (count($types) >= 1) { |
| 154 |
$query = "select count(id) as count from {wp_abj404_redirects} where 1 and (status in ("; |
| 155 |
|
| 156 |
$filteredTypes = array_map('absint', $types); |
| 157 |
$typesForSQL = implode(", ", $filteredTypes); |
| 158 |
$query .= $typesForSQL . "))"; |
| 159 |
$query .= " and disabled = " . absint($trashed); |
| 160 |
|
| 161 |
$result = $this->queryAndGetResults($query); |
| 162 |
$rows = is_array($result['rows']) ? $result['rows'] : array(); |
| 163 |
if (!empty($rows)) { |
| 164 |
$row = is_array($rows[0] ?? null) ? $rows[0] : array(); |
| 165 |
$recordCount = isset($row['count']) && is_scalar($row['count']) ? intval($row['count']) : 0; |
| 166 |
} |
| 167 |
} |
| 168 |
|
| 169 |
return intval($recordCount); |
| 170 |
} |
| 171 |
|
| 172 |
/** |
| 173 |
* Capture a structured diagnostics snapshot when getRedirectsForView() or |
| 174 |
* getRedirectsForViewCount() fails or times out. The snapshot is intended |
| 175 |
* to give support enough evidence in a single debug zip / AJAX response to |
| 176 |
* identify the root cause of slow view queries (missing index, MyISAM |
| 177 |
* corruption, multi-million-row logsv2, canonical_url not backfilled, |
| 178 |
* collation mismatch, etc.) without a follow-up round trip to the user. |
| 179 |
* |
| 180 |
* Every sub-probe is wrapped in try/catch with a tight per-query timeout: |
| 181 |
* one failed probe never blocks the others, and the original failure is |
| 182 |
* never masked by a diagnostic capture exception. |
| 183 |
* |
| 184 |
* @param string $sub Subpage that triggered the query (abj404_redirects / abj404_captured / abj404_logs). |
| 185 |
* @param string $failedQuery The SQL that failed (used for EXPLAIN + redacted shape). |
| 186 |
* @param array<string, mixed> $tableOptions The original tableOptions (kept for context echo). |
| 187 |
* @param array<string, mixed> $queryResult The wpdb-shaped result of the failed call (last_error / timed_out / elapsed_time). |
| 188 |
* @return array<string, mixed> |
| 189 |
*/ |
| 190 |
public function captureViewQueryFailureDiagnostics(string $sub, string $failedQuery, array $tableOptions, array $queryResult): array { |
| 191 |
$diag = array( |
| 192 |
'failed_query_label' => '', |
| 193 |
'failed_query_redacted' => '', |
| 194 |
'last_error' => '', |
| 195 |
'timed_out' => false, |
| 196 |
'elapsed_time_seconds' => null, |
| 197 |
'sub' => $sub, |
| 198 |
'redirects_count' => array('active' => null, 'trashed' => null), |
| 199 |
'logsv2_count' => null, |
| 200 |
'wp_posts_count' => null, |
| 201 |
'tables' => array(), |
| 202 |
'expected_indexes' => array(), |
| 203 |
'canonical_url_state' => array(), |
| 204 |
'db_version' => '', |
| 205 |
'explain' => null, |
| 206 |
); |
| 207 |
|
| 208 |
$diag['failed_query_label'] = $this->resolveViewQueryDiagnosticLabel($failedQuery, $sub); |
| 209 |
$diag['failed_query_redacted'] = $this->redactQueryShapeForDiagnostics($failedQuery); |
| 210 |
|
| 211 |
$lastError = is_string($queryResult['last_error'] ?? null) ? $queryResult['last_error'] : ''; |
| 212 |
$diag['last_error'] = $lastError; |
| 213 |
$diag['timed_out'] = !empty($queryResult['timed_out']); |
| 214 |
if (isset($queryResult['elapsed_time']) && is_numeric($queryResult['elapsed_time'])) { |
| 215 |
$diag['elapsed_time_seconds'] = (float)$queryResult['elapsed_time']; |
| 216 |
} |
| 217 |
|
| 218 |
global $wpdb; |
| 219 |
$redirectsTable = $this->doTableNameReplacements('{wp_abj404_redirects}'); |
| 220 |
$logsv2Table = $this->doTableNameReplacements('{wp_abj404_logsv2}'); |
| 221 |
$postsTable = $this->resolvePostsTableName(); |
| 222 |
|
| 223 |
$diag['explain'] = $this->safeProbeExplain($failedQuery); |
| 224 |
$diag['db_version'] = $this->safeProbeDbVersion(); |
| 225 |
|
| 226 |
$diag['redirects_count']['active'] = $this->safeProbeCount( |
| 227 |
"SELECT COUNT(*) AS count FROM `" . $redirectsTable . "` WHERE disabled = 0" |
| 228 |
); |
| 229 |
$diag['redirects_count']['trashed'] = $this->safeProbeCount( |
| 230 |
"SELECT COUNT(*) AS count FROM `" . $redirectsTable . "` WHERE disabled = 1" |
| 231 |
); |
| 232 |
$diag['logsv2_count'] = $this->safeProbeCount( |
| 233 |
"SELECT COUNT(*) AS count FROM `" . $logsv2Table . "`" |
| 234 |
); |
| 235 |
if ($postsTable !== '') { |
| 236 |
$diag['wp_posts_count'] = $this->safeProbeCount( |
| 237 |
"SELECT COUNT(*) AS count FROM `" . $postsTable . "`" |
| 238 |
); |
| 239 |
} |
| 240 |
|
| 241 |
$diag['tables'] = $this->safeProbeTableEnginesAndCollations(array($redirectsTable, $logsv2Table)); |
| 242 |
|
| 243 |
$diag['expected_indexes'] = array( |
| 244 |
$redirectsTable => $this->safeProbeIndexCoverage($redirectsTable, array( |
| 245 |
'PRIMARY', 'status', 'type', 'code', 'timestamp', 'disabled', 'url', 'final_dest', |
| 246 |
'idx_url_disabled_status', 'idx_status_disabled', 'idx_canonical_url', |
| 247 |
)), |
| 248 |
$logsv2Table => $this->safeProbeIndexCoverage($logsv2Table, array( |
| 249 |
'PRIMARY', 'timestamp', 'requested_url', 'username', 'min_log_id', |
| 250 |
'idx_requested_url_timestamp', 'idx_canonical_url', |
| 251 |
)), |
| 252 |
); |
| 253 |
|
| 254 |
$diag['canonical_url_state'] = array( |
| 255 |
$redirectsTable => $this->safeProbeCanonicalUrlState($redirectsTable), |
| 256 |
$logsv2Table => $this->safeProbeCanonicalUrlState($logsv2Table), |
| 257 |
); |
| 258 |
|
| 259 |
return $diag; |
| 260 |
} |
| 261 |
|
| 262 |
/** |
| 263 |
* Resolve a human-readable label for the failing query. Mirrors the |
| 264 |
* sql_source extraction from formatViewQueryFailureMessage() so the |
| 265 |
* diagnostic snapshot stays self-explanatory in the debug log. |
| 266 |
* |
| 267 |
* @param string $failedQuery |
| 268 |
* @param string $sub |
| 269 |
* @return string |
| 270 |
*/ |
| 271 |
private function resolveViewQueryDiagnosticLabel(string $failedQuery, string $sub): string { |
| 272 |
if (preg_match('/\/\*\s*-+\s*(.+?\.sql)\s+BEGIN\s*-+\s*\*\//i', $failedQuery, $m)) { |
| 273 |
return basename($m[1]); |
| 274 |
} |
| 275 |
if (stripos($failedQuery, 'COUNT(*)') !== false) { |
| 276 |
return 'getRedirectsForViewCount'; |
| 277 |
} |
| 278 |
return 'getRedirectsForView'; |
| 279 |
} |
| 280 |
|
| 281 |
/** |
| 282 |
* Redact literals from a SQL string for safe inclusion in error responses |
| 283 |
* and the debug log. Keeps table / column / keyword shape so support can |
| 284 |
* pattern-match against the failing query, but strips quoted strings, |
| 285 |
* numbers, and IN(...) value lists. |
| 286 |
* |
| 287 |
* @param string $sql |
| 288 |
* @return string |
| 289 |
*/ |
| 290 |
private function redactQueryShapeForDiagnostics(string $sql): string { |
| 291 |
if ($sql === '') { |
| 292 |
return ''; |
| 293 |
} |
| 294 |
$out = $sql; |
| 295 |
$out = preg_replace("~'(?:\\\\'|''|[^'])*'~", "?", $out) ?? $out; |
| 296 |
$out = preg_replace('~"(?:\\\\"|""|[^"])*"~', "?", $out) ?? $out; |
| 297 |
$out = preg_replace('~\\b0x[0-9A-Fa-f]+\\b~', '?', $out) ?? $out; |
| 298 |
$out = preg_replace('~\\b\\d+(?:\\.\\d+)?\\b~', '?', $out) ?? $out; |
| 299 |
$out = preg_replace('~\\(\\s*\\?\\s*(?:,\\s*\\?\\s*)+\\)~', '(?)', $out) ?? $out; |
| 300 |
$out = preg_replace('~\\s+~', ' ', trim($out)) ?? $out; |
| 301 |
if (strlen($out) > 4000) { |
| 302 |
$out = substr($out, 0, 4000); |
| 303 |
} |
| 304 |
return $out; |
| 305 |
} |
| 306 |
|
| 307 |
/** @return string */ |
| 308 |
private function resolvePostsTableName(): string { |
| 309 |
global $wpdb; |
| 310 |
if (isset($wpdb->posts) && is_string($wpdb->posts) && $wpdb->posts !== '') { |
| 311 |
return $wpdb->posts; |
| 312 |
} |
| 313 |
if (isset($wpdb->prefix) && is_string($wpdb->prefix) && $wpdb->prefix !== '') { |
| 314 |
return $wpdb->prefix . 'posts'; |
| 315 |
} |
| 316 |
return ''; |
| 317 |
} |
| 318 |
|
| 319 |
/** |
| 320 |
* Run a `SELECT COUNT(*)` style query with a tight diagnostic timeout |
| 321 |
* and silent error handling. Returns the integer count, or a string error |
| 322 |
* marker if the probe itself failed. |
| 323 |
* |
| 324 |
* @param string $countQuery |
| 325 |
* @return int|string |
| 326 |
*/ |
| 327 |
private function safeProbeCount(string $countQuery) { |
| 328 |
try { |
| 329 |
$result = $this->queryAndGetResults($countQuery, array( |
| 330 |
'timeout' => 5, |
| 331 |
'log_errors' => false, |
| 332 |
'skip_repair' => true, |
| 333 |
)); |
| 334 |
$lastErrorRaw = $result['last_error'] ?? ''; |
| 335 |
$err = is_string($lastErrorRaw) ? $lastErrorRaw : ''; |
| 336 |
if ($err !== '' || !empty($result['timed_out'])) { |
| 337 |
return 'error: ' . ($err !== '' ? $err : 'timed out'); |
| 338 |
} |
| 339 |
$rows = is_array($result['rows'] ?? null) ? $result['rows'] : array(); |
| 340 |
if (empty($rows)) { |
| 341 |
return 0; |
| 342 |
} |
| 343 |
$first = is_array($rows[0]) ? $rows[0] : array(); |
| 344 |
$value = $first['count'] ?? $first['COUNT(*)'] ?? reset($first); |
| 345 |
return is_scalar($value) ? (int)$value : 0; |
| 346 |
} catch (Throwable $e) { |
| 347 |
return 'error: ' . $e->getMessage(); |
| 348 |
} |
| 349 |
} |
| 350 |
|
| 351 |
/** |
| 352 |
* Run EXPLAIN against the failing query and return the plan rows. Falls |
| 353 |
* back to a string error marker if EXPLAIN itself errors (e.g., the query |
| 354 |
* was a SET STATEMENT wrapper or a stored procedure call). |
| 355 |
* |
| 356 |
* @param string $failedQuery |
| 357 |
* @return array<int, array<string,mixed>>|string |
| 358 |
*/ |
| 359 |
private function safeProbeExplain(string $failedQuery) { |
| 360 |
if ($failedQuery === '') { |
| 361 |
return 'error: no query supplied'; |
| 362 |
} |
| 363 |
$stripped = $this->stripWrappersForExplain($failedQuery); |
| 364 |
try { |
| 365 |
$result = $this->queryAndGetResults('EXPLAIN ' . $stripped, array( |
| 366 |
'timeout' => 5, |
| 367 |
'log_errors' => false, |
| 368 |
'skip_repair' => true, |
| 369 |
)); |
| 370 |
$lastErrorRaw = $result['last_error'] ?? ''; |
| 371 |
$err = is_string($lastErrorRaw) ? $lastErrorRaw : ''; |
| 372 |
if ($err !== '' || !empty($result['timed_out'])) { |
| 373 |
return 'error: ' . ($err !== '' ? $err : 'timed out'); |
| 374 |
} |
| 375 |
$rows = is_array($result['rows'] ?? null) ? $result['rows'] : array(); |
| 376 |
$clean = array(); |
| 377 |
foreach ($rows as $row) { |
| 378 |
if (is_array($row)) { |
| 379 |
$clean[] = $row; |
| 380 |
} else if (is_object($row)) { |
| 381 |
$clean[] = (array)$row; |
| 382 |
} |
| 383 |
} |
| 384 |
return $clean; |
| 385 |
} catch (Throwable $e) { |
| 386 |
return 'error: ' . $e->getMessage(); |
| 387 |
} |
| 388 |
} |
| 389 |
|
| 390 |
/** |
| 391 |
* Strip the `SET STATEMENT max_statement_time=N FOR ` / `/*+ MAX_EXECUTION_TIME(...) *\/` |
| 392 |
* wrappers that applyQueryTimeout() prepends so EXPLAIN sees the original |
| 393 |
* SELECT shape. Best effort: if the input does not match, return as-is. |
| 394 |
* |
| 395 |
* @param string $query |
| 396 |
* @return string |
| 397 |
*/ |
| 398 |
private function stripWrappersForExplain(string $query): string { |
| 399 |
$q = trim($query); |
| 400 |
$q = preg_replace('/^\\s*\\/\\*\\+[^*]*\\*\\/\\s*/', '', $q) ?? $q; |
| 401 |
$q = preg_replace('/^\\s*SET\\s+STATEMENT\\s+max_statement_time\\s*=\\s*\\d+\\s+FOR\\s+/i', '', $q) ?? $q; |
| 402 |
return $q; |
| 403 |
} |
| 404 |
|
| 405 |
/** @return string */ |
| 406 |
private function safeProbeDbVersion(): string { |
| 407 |
try { |
| 408 |
$result = $this->queryAndGetResults('SELECT VERSION() AS version', array( |
| 409 |
'timeout' => 5, |
| 410 |
'log_errors' => false, |
| 411 |
'skip_repair' => true, |
| 412 |
)); |
| 413 |
$rows = is_array($result['rows'] ?? null) ? $result['rows'] : array(); |
| 414 |
if (empty($rows)) { |
| 415 |
return ''; |
| 416 |
} |
| 417 |
$first = is_array($rows[0]) ? $rows[0] : array(); |
| 418 |
$value = $first['version'] ?? $first['VERSION()'] ?? reset($first); |
| 419 |
return is_scalar($value) ? (string)$value : ''; |
| 420 |
} catch (Throwable $e) { |
| 421 |
return 'error: ' . $e->getMessage(); |
| 422 |
} |
| 423 |
} |
| 424 |
|
| 425 |
/** |
| 426 |
* Probe engine + collation for the requested plugin tables via |
| 427 |
* information_schema.TABLES. Driver-case insensitive (MySQL drivers vary |
| 428 |
* between TABLE_NAME / table_name). |
| 429 |
* |
| 430 |
* @param array<int, string> $tableNames |
| 431 |
* @return array<string, array{engine:string, collation:string}> |
| 432 |
*/ |
| 433 |
private function safeProbeTableEnginesAndCollations(array $tableNames): array { |
| 434 |
$out = array(); |
| 435 |
foreach ($tableNames as $name) { |
| 436 |
$out[$name] = array('engine' => '', 'collation' => ''); |
| 437 |
} |
| 438 |
if (empty($tableNames)) { |
| 439 |
return $out; |
| 440 |
} |
| 441 |
try { |
| 442 |
$list = array(); |
| 443 |
foreach ($tableNames as $name) { |
| 444 |
$list[] = "'" . str_replace("'", "''", $name) . "'"; |
| 445 |
} |
| 446 |
$query = "SELECT TABLE_NAME, ENGINE, TABLE_COLLATION FROM information_schema.TABLES " |
| 447 |
. "WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME IN (" . implode(',', $list) . ")"; |
| 448 |
$result = $this->queryAndGetResults($query, array( |
| 449 |
'timeout' => 5, |
| 450 |
'log_errors' => false, |
| 451 |
'skip_repair' => true, |
| 452 |
)); |
| 453 |
$rows = is_array($result['rows'] ?? null) ? $result['rows'] : array(); |
| 454 |
foreach ($rows as $row) { |
| 455 |
if (!is_array($row)) { |
| 456 |
continue; |
| 457 |
} |
| 458 |
$name = ''; |
| 459 |
$engine = ''; |
| 460 |
$collation = ''; |
| 461 |
foreach ($row as $key => $value) { |
| 462 |
$k = strtolower((string)$key); |
| 463 |
if ($k === 'table_name' && is_scalar($value)) { |
| 464 |
$name = (string)$value; |
| 465 |
} else if ($k === 'engine' && is_scalar($value)) { |
| 466 |
$engine = (string)$value; |
| 467 |
} else if ($k === 'table_collation' && is_scalar($value)) { |
| 468 |
$collation = (string)$value; |
| 469 |
} |
| 470 |
} |
| 471 |
if ($name !== '' && array_key_exists($name, $out)) { |
| 472 |
$out[$name] = array('engine' => $engine, 'collation' => $collation); |
| 473 |
} |
| 474 |
} |
| 475 |
} catch (Throwable $e) { |
| 476 |
foreach (array_keys($out) as $name) { |
| 477 |
if ($out[$name]['engine'] === '') { |
| 478 |
$out[$name] = array('engine' => 'error: ' . $e->getMessage(), 'collation' => ''); |
| 479 |
} |
| 480 |
} |
| 481 |
} |
| 482 |
return $out; |
| 483 |
} |
| 484 |
|
| 485 |
/** |
| 486 |
* Compare an expected index list against what SHOW INDEX reports for the |
| 487 |
* named table. Returns three lists (expected, present, missing) so the |
| 488 |
* support workflow can spot dropped indexes at a glance. |
| 489 |
* |
| 490 |
* @param string $tableName |
| 491 |
* @param array<int, string> $expectedKeys |
| 492 |
* @return array{expected: array<int,string>, present: array<int,string>, missing: array<int,string>, error?: string} |
| 493 |
*/ |
| 494 |
private function safeProbeIndexCoverage(string $tableName, array $expectedKeys): array { |
| 495 |
$out = array( |
| 496 |
'expected' => array_values($expectedKeys), |
| 497 |
'present' => array(), |
| 498 |
'missing' => array(), |
| 499 |
); |
| 500 |
try { |
| 501 |
$result = $this->queryAndGetResults('SHOW INDEX FROM `' . $tableName . '`', array( |
| 502 |
'timeout' => 5, |
| 503 |
'log_errors' => false, |
| 504 |
'skip_repair' => true, |
| 505 |
)); |
| 506 |
$lastErrorRaw = $result['last_error'] ?? ''; |
| 507 |
$err = is_string($lastErrorRaw) ? $lastErrorRaw : ''; |
| 508 |
if ($err !== '') { |
| 509 |
$out['error'] = $err; |
| 510 |
$out['missing'] = $out['expected']; |
| 511 |
return $out; |
| 512 |
} |
| 513 |
$rows = is_array($result['rows'] ?? null) ? $result['rows'] : array(); |
| 514 |
$present = array(); |
| 515 |
foreach ($rows as $row) { |
| 516 |
if (!is_array($row)) { |
| 517 |
continue; |
| 518 |
} |
| 519 |
foreach ($row as $key => $value) { |
| 520 |
if (strtolower((string)$key) === 'key_name' && is_scalar($value)) { |
| 521 |
$present[(string)$value] = true; |
| 522 |
break; |
| 523 |
} |
| 524 |
} |
| 525 |
} |
| 526 |
$out['present'] = array_keys($present); |
| 527 |
$missing = array(); |
| 528 |
foreach ($expectedKeys as $expected) { |
| 529 |
if (!array_key_exists($expected, $present)) { |
| 530 |
$missing[] = $expected; |
| 531 |
} |
| 532 |
} |
| 533 |
$out['missing'] = $missing; |
| 534 |
} catch (Throwable $e) { |
| 535 |
$out['error'] = $e->getMessage(); |
| 536 |
$out['missing'] = $out['expected']; |
| 537 |
} |
| 538 |
return $out; |
| 539 |
} |
| 540 |
|
| 541 |
/** |
| 542 |
* Probe canonical_url backfill state for one of the plugin's tables. |
| 543 |
* Returns column existence, NULL count, total row count, and an error |
| 544 |
* marker when the probe itself failed. |
| 545 |
* |
| 546 |
* @param string $tableName |
| 547 |
* @return array{column_exists: bool, null_count: int|string|null, total_count: int|string|null, error?: string} |
| 548 |
*/ |
| 549 |
private function safeProbeCanonicalUrlState(string $tableName): array { |
| 550 |
$out = array( |
| 551 |
'column_exists' => false, |
| 552 |
'null_count' => null, |
| 553 |
'total_count' => null, |
| 554 |
); |
| 555 |
try { |
| 556 |
$colResult = $this->queryAndGetResults('SHOW COLUMNS FROM `' . $tableName . '`', array( |
| 557 |
'timeout' => 5, |
| 558 |
'log_errors' => false, |
| 559 |
'skip_repair' => true, |
| 560 |
)); |
| 561 |
$colRows = is_array($colResult['rows'] ?? null) ? $colResult['rows'] : array(); |
| 562 |
foreach ($colRows as $row) { |
| 563 |
if (!is_array($row)) { |
| 564 |
continue; |
| 565 |
} |
| 566 |
foreach ($row as $key => $value) { |
| 567 |
if (strtolower((string)$key) === 'field' && is_scalar($value) |
| 568 |
&& strtolower((string)$value) === 'canonical_url') { |
| 569 |
$out['column_exists'] = true; |
| 570 |
break 2; |
| 571 |
} |
| 572 |
} |
| 573 |
} |
| 574 |
if (!$out['column_exists']) { |
| 575 |
return $out; |
| 576 |
} |
| 577 |
$out['null_count'] = $this->safeProbeCount( |
| 578 |
"SELECT COUNT(*) AS count FROM `" . $tableName . "` WHERE canonical_url IS NULL" |
| 579 |
); |
| 580 |
$out['total_count'] = $this->safeProbeCount( |
| 581 |
"SELECT COUNT(*) AS count FROM `" . $tableName . "`" |
| 582 |
); |
| 583 |
} catch (Throwable $e) { |
| 584 |
$out['error'] = $e->getMessage(); |
| 585 |
} |
| 586 |
return $out; |
| 587 |
} |
| 588 |
} |
| 589 |
|
